The results showed that the use of sea sand as a substitute for fine aggregate showed an average compressive strength in 7 days of 18.86 MPa, an average compressive …
DetailsProperties of fine aggregate (sand) affect concrete properties such as durability, strength, thermal properties, unit weight, and surface friction. River sand deposits consist of gravel and sand that can be readily used in concrete with minimal or no processing. ... Mayekar D (2006) Impact of sand mining in local ecology. In: Sangeetha …
DetailsSand is often utilized as a fine aggregate in concrete, contributing 22 to 62% of the total mass. The quantity and features of sand in concrete have an impact on its workability, mechanical characteristics, and durability. Effective replacements are needed as natural silica sand becomes scarcer. By incorporating these by-products into …
DetailsIn case of 80% replacement of sea sand as fine aggregate the Characteristic compressive strength is reduced by 49.37%. It is observed that for replacement of sea sand as fine aggregate in concrete compressive strength is reduced by 53.82%. Usage of Sea sand in concrete found there is a
DetailsRiver sand, sea sand, coral sand, and marine sand are used as fine aggregates in producing SW-SS concrete, while crushed granite, coral aggregate, and gravel are …
DetailsExperimental Study on Suitability of Sea Sand as Fine Aggregate for Concrete Author: Prabin Kumar. K Subject: IJERT - International Journal of Engineering Research and Technology Keywords: Experimental,Study,on,Suitability,of,Sea,Sand,as,Fine,Aggregate,for,Concrete …
DetailsUtilization of alternative fine aggregates is the hour of need for sustainable construction. • The alternative fine aggregates satisfies the requirements as alternatives to river sand. • Crushed rock sand, industrial by-products and recycled fine aggregates are used as replacement of river sand. •
DetailsHigh chloride ion concentration is the main obstacle to use sea sand as the fine aggregate for reinforced concrete structures. The chloride ion on the surface of sea sand mainly exists in the form of sodium chloride with electric field migration characteristics. This paper developed a solution of sea sand as a sustainable fine aggregate for …
DetailsCDE Mariner range of sea sand washing plant can treat upto 350tph sand for production of both concrete sand and plaster sand (depending on feed gradation) as per BS 882:1992 specification. In keeping with the core competency of CDE, the plants are skid mounted and require minimum foot print leading to low unit power consumption and minimum man ...
DetailsSand concrete is a new type and special composite material [1,2,3], which has attracted widespread attention due to its excellent mechanical properties and low self-weight relatively.These excellent properties are achieved by means of using fine aggregates and reactive fillers to enhance the close packing between particles …
DetailsOn the shrinkage of concrete, the fine aggregate properties also have a significant impact. Types Of Fine Aggregate uses: In concrete or pavement construction usually, sand, crushed stone and crushed bricks are used as fine aggregates as given below; Sand: Sand is used as a fine aggregate in concrete work and is an important …
DetailsThe sand will be hard, durable, clean and free from adherent coating and organic matter and shall not contain clay, silt and dust more than specified. So the strength and properties of the P-SAND is tested before it is utilized in this project. The river sand (fine aggregate) is replaced by sea sand in terms of and 50%.
DetailsThe concrete mix M4 (50% USS + 50%QD) is the optimum mix for complete replacement of river sand with both sea sand and quarry dust as fine aggregate. b) The 28-day compressive strength is maximum for the M6 mix ( QD) is 40.8 ± 1.15 MPa and lowest is for M2 mix ( USS) is 29.7 ± 0.90 MPa among all excluding control mix.
DetailsFig. 1 The 7 and 28 day crushing strength of the concrete of different fine aggregates of sea sand types, mixed sea sand and river sand (1:1) compared to river sand and quarry dust.
DetailsThe study aims to address the depletion of river sand by integrating sea sand as a fine aggregate in the production of Self-Compacting Concrete (SCC) through a Systematic Literature Review.
DetailsIn case of 80% replacement of sea sand as fine aggregate the Characteristic compressive strength is reduced by 49.37%. It is observed that for replacement of sea sand as fine aggregate in concrete compressive strength is reduced by 53.82%. Usage of Sea sand in concrete found there is a significant reduction in strength of the concrete.
DetailsThis project aims to comparative study of treated sea sand and conventional concrete. the strength of M30 grade concrete in which fine aggregate is replaced with TSS of 20%, …
DetailsTypical effects of coarse and fine aggregates on the long-term properties of sea sand recycled aggregate concrete (SSRAC) are analyzed by a series of axial compression tests. Two different types of fine (coarse) aggregates are considered: sea sand and river sand (natural and recycled coarse aggregates). Variations in SSRAC …
DetailsThe behavior of concrete by partial replacement of fine aggregate with sea sand has been studied. ... the compressive strength of the concrete significantly reduced. Keywords: Concrete, Fine Aggregate, sea sand ... these inland resources have nearly been depleted so that extraction has shifted to marine and coastal aggregates mining.' …
DetailsRiver-sand mining has risen dramatically in the last few decades to fulfil the need for concrete in the building sector. The sand in a river's bed preserves its environmental equilibrium (Farahani and Bayazidi, 2017).Excessive river-sand mining for use as fine aggregate in concrete is responsible for riverbed degradation, which …
DetailsBut they differ in surface texture, which may affect the interlocking properties and hence the strength of concrete according to studies conducted on different types of fine aggregate, such as sea ...
DetailsResearchers have also used alkali-activated cements based on slag and fly ash for producing SW-SS concretes. River sand, sea sand, coral sand, and marine sand are used as fine aggregates in producing SW-SS concrete, while crushed granite, coral aggregate, and gravel are used as coarse aggregates.
DetailsThe use of mineral admixtures also improves other concrete properties, such as strength, setting time, and porosity [26], [27] Therefore, if seawater and sea sand are to be used in developing eco-friendly concrete, it is recommended to add appropriate additives and admixtures for improved mechanical and durability properties.
DetailsExperimental work done on the properties of Epoxy- resin bonded cement concrete containing sea sand reports percentages of various components in sea sand [12].The literature has also reported the particle size distribution of sea and river sand as shown in Fig. 2.The particle size distribution curves based on IS 2386- Part 1, …
DetailsThe current specifications for RAC in structural engineering primarily focus on the application of RAC prepared with RCA, with limited attention given to the use of recycled fine aggregate [9].The utilization of recycled fine aggregate is restricted due to its lower quality compared to river sand, resulting in decreased workability and mechanical …
DetailsThe main components of the specimens were cement, seawater, sea sand, bamboo sticks, and gravel. The use of sea sand and seawater was explained by the abundant existence of resources and lower ...
DetailsSea sand is considered safe for concrete when the shell particle size is less than 4.75 mm, and conditions such as substituting sea sand in concrete within the range of 20%− …
DetailsThe concrete mix M4 (50% USS + 50%QD) is the optimum mix for complete replacement of river sand with both sea sand and quarry dust as fine aggregate. b) The 28-day compressive strength is maximum for the M6 mix ( QD) is 40.8 ± 1.15 MPa and lowest is for M2 mix ( USS) is 29.7 ± 0.90 MPa among all excluding control mix.
DetailsThis study is carried out on concrete cubes for the brief summary of compressive, split tensile and flexural strength of concrete manufactured from sea sand as a complete utilization of of M-sand, of sea sand and partial utilization of M-sand and sea sand for fine aggregate are collected from Thalikulam of Thrissur district …
DetailsThe main objective of this project is to utilize the sea sand as fine aggregate in concrete for construction after the removal of chloride content from the sea sand by using sand washing process. 1) To study the practical utilization of sea sand as fine aggregate by partially and completely.
DetailsThis paper analyzes the physical and chemical composition, workability, mechanical properties, and durability of sea sand and seawater when used as fine aggregates in …
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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